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Avoid a memory corruption problem related to "private" in DirPolicy.

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This is a posible fix for bug 996.
This commit is contained in:
Nick Mathewson 2009-06-05 19:41:40 -04:00
parent 48bf1d97ee
commit 20193fc7ab
2 changed files with 4 additions and 0 deletions
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ChangeLog
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@ -88,6 +88,9 @@ Changes in version 0.2.1.14-rc - 2009-04-12
patch by Sebastian. patch by Sebastian.
- Avoid crashing in the presence of certain malformed descriptors. - Avoid crashing in the presence of certain malformed descriptors.
Found by lark, and by automated fuzzing. Found by lark, and by automated fuzzing.
- Avoid crashing when we have "private" in a policy specified in
a DirPolicy or SocksPolicy or ReachableAddresses option and we
re-load the policy. May fix bug 996.
o Minor features: o Minor features:
- When generating circuit events with verbose nicknames for - When generating circuit events with verbose nicknames for

1
src/or/policies.c
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@ -411,6 +411,7 @@ load_policy_from_option(config_line_t *config, smartlist_t **policy,
memcpy(&newp, n, sizeof(newp)); memcpy(&newp, n, sizeof(newp));
newp.prt_min = 1; newp.prt_min = 1;
newp.prt_max = 65535; newp.prt_max = 65535;
newp.is_canonical = 0;
c = addr_policy_get_canonical_entry(&newp); c = addr_policy_get_canonical_entry(&newp);
SMARTLIST_REPLACE_CURRENT(*policy, n, c); SMARTLIST_REPLACE_CURRENT(*policy, n, c);
addr_policy_free(n); addr_policy_free(n);